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\begin{tabular}{lccccc}
\hline \noalign{\smallskip} & All & Control & Treatment & Difference & p-value\\
\noalign{\smallskip}\hline \noalign{\smallskip}Business days & 20.538 & 20.810 & 20.306 & -0.505 & 0.929\\
 & \begin{footnotesize}(30.759)\end{footnotesize} & \begin{footnotesize}(30.514)\end{footnotesize} & \begin{footnotesize}(30.973)\end{footnotesize} & \begin{footnotesize}\end{footnotesize} & \begin{footnotesize}\end{footnotesize}\\
\noalign{\smallskip}Business days w5 & 17.411 & 17.697 & 17.180 & -0.517 & 0.903\\
 & \begin{footnotesize}(14.471)\end{footnotesize} & \begin{footnotesize}(13.556)\end{footnotesize} & \begin{footnotesize}(15.171)\end{footnotesize} & \begin{footnotesize}\end{footnotesize} & \begin{footnotesize}\end{footnotesize}\\
\noalign{\smallskip}Response in time (original) & 0.681 & 0.684 & 0.677 & -0.007 & 0.938\\
 & \begin{footnotesize}(0.466)\end{footnotesize} & \begin{footnotesize}(0.465)\end{footnotesize} & \begin{footnotesize}(0.468)\end{footnotesize} & \begin{footnotesize}\end{footnotesize} & \begin{footnotesize}\end{footnotesize}\\
\noalign{\smallskip}Response in time & 0.681 & 0.687 & 0.677 & -0.010 & 0.911\\
 & \begin{footnotesize}(0.466)\end{footnotesize} & \begin{footnotesize}(0.464)\end{footnotesize} & \begin{footnotesize}(0.468)\end{footnotesize} & \begin{footnotesize}\end{footnotesize} & \begin{footnotesize}\end{footnotesize}\\
\noalign{\smallskip}Complete response & 0.890 & 0.886 & 0.892 & 0.006 & 0.906\\
 & \begin{footnotesize}(0.313)\end{footnotesize} & \begin{footnotesize}(0.318)\end{footnotesize} & \begin{footnotesize}(0.310)\end{footnotesize} & \begin{footnotesize}\end{footnotesize} & \begin{footnotesize}\end{footnotesize}\\
\noalign{\smallskip}Open request by Nov. 27, 2019 & 0.024 & 0.013 & 0.032 & 0.019 & 0.211\\
 & \begin{footnotesize}(0.152)\end{footnotesize} & \begin{footnotesize}(0.114)\end{footnotesize} & \begin{footnotesize}(0.177)\end{footnotesize} & \begin{footnotesize}\end{footnotesize} & \begin{footnotesize}\end{footnotesize}\\
\noalign{\smallskip}Extension was granted & 0.234 & 0.230 & 0.238 & 0.008 & 0.958\\
 & \begin{footnotesize}(0.423)\end{footnotesize} & \begin{footnotesize}(0.421)\end{footnotesize} & \begin{footnotesize}(0.426)\end{footnotesize} & \begin{footnotesize}\end{footnotesize} & \begin{footnotesize}\end{footnotesize}\\
\noalign{\smallskip}Replied within 15 business days & 0.547 & 0.538 & 0.555 & 0.017 & 0.901\\
 & \begin{footnotesize}(0.498)\end{footnotesize} & \begin{footnotesize}(0.499)\end{footnotesize} & \begin{footnotesize}(0.497)\end{footnotesize} & \begin{footnotesize}\end{footnotesize} & \begin{footnotesize}\end{footnotesize}\\
\noalign{\smallskip}Replied within 25 business days & 0.774 & 0.790 & 0.761 & -0.030 & 0.709\\
 & \begin{footnotesize}(0.418)\end{footnotesize} & \begin{footnotesize}(0.407)\end{footnotesize} & \begin{footnotesize}(0.427)\end{footnotesize} & \begin{footnotesize}\end{footnotesize} & \begin{footnotesize}\end{footnotesize}\\
\noalign{\smallskip}Replied in 15 business days & 0.046 & 0.054 & 0.039 & -0.015 & 0.301\\
 & \begin{footnotesize}(0.210)\end{footnotesize} & \begin{footnotesize}(0.227)\end{footnotesize} & \begin{footnotesize}(0.195)\end{footnotesize} & \begin{footnotesize}\end{footnotesize} & \begin{footnotesize}\end{footnotesize}\\
\noalign{\smallskip}Replied in 25 business days & 0.034 & 0.033 & 0.035 & 0.002 & 0.925\\
 & \begin{footnotesize}(0.181)\end{footnotesize} & \begin{footnotesize}(0.178)\end{footnotesize} & \begin{footnotesize}(0.183)\end{footnotesize} & \begin{footnotesize}\end{footnotesize} & \begin{footnotesize}\end{footnotesize}\\
\noalign{\smallskip}Replied in 14/15/16 business & 0.103 & 0.117 & 0.092 & -0.024 & 0.274\\
 & \begin{footnotesize}(0.304)\end{footnotesize} & \begin{footnotesize}(0.321)\end{footnotesize} & \begin{footnotesize}(0.289)\end{footnotesize} & \begin{footnotesize}\end{footnotesize} & \begin{footnotesize}\end{footnotesize}\\
\noalign{\smallskip}Replied in 24/25/26 bus & 0.084 & 0.080 & 0.088 & 0.008 & 0.853\\
 & \begin{footnotesize}(0.278)\end{footnotesize} & \begin{footnotesize}(0.271)\end{footnotesize} & \begin{footnotesize}(0.283)\end{footnotesize} & \begin{footnotesize}\end{footnotesize} & \begin{footnotesize}\end{footnotesize}\\
\noalign{\smallskip}Replied within 14 business days & 0.501 & 0.484 & 0.516 & 0.032 & 0.828\\
 & \begin{footnotesize}(0.500)\end{footnotesize} & \begin{footnotesize}(0.500)\end{footnotesize} & \begin{footnotesize}(0.500)\end{footnotesize} & \begin{footnotesize}\end{footnotesize} & \begin{footnotesize}\end{footnotesize}\\
\noalign{\smallskip}Replied between 16 and 24 bus & 0.193 & 0.219 & 0.171 & -0.048 & 0.347\\
 & \begin{footnotesize}(0.395)\end{footnotesize} & \begin{footnotesize}(0.414)\end{footnotesize} & \begin{footnotesize}(0.377)\end{footnotesize} & \begin{footnotesize}\end{footnotesize} & \begin{footnotesize}\end{footnotesize}\\
\noalign{\smallskip}Replied in more than 25 bus & 0.226 & 0.210 & 0.239 & 0.030 & 0.709\\
 & \begin{footnotesize}(0.418)\end{footnotesize} & \begin{footnotesize}(0.407)\end{footnotesize} & \begin{footnotesize}(0.427)\end{footnotesize} & \begin{footnotesize}\end{footnotesize} & \begin{footnotesize}\end{footnotesize}\\
\noalign{\smallskip}N requests received on a day & 3.020 & 2.903 & 3.118 & 0.215 & 0.771\\
 & \begin{footnotesize}(3.588)\end{footnotesize} & \begin{footnotesize}(3.954)\end{footnotesize} & \begin{footnotesize}(3.247)\end{footnotesize} & \begin{footnotesize}\end{footnotesize} & \begin{footnotesize}\end{footnotesize}\\
\noalign{\smallskip}Closed requests when new arrived & 69.695 & 68.916 & 70.347 & 1.431 & 0.829\\
 & \begin{footnotesize}(26.676)\end{footnotesize} & \begin{footnotesize}(27.360)\end{footnotesize} & \begin{footnotesize}(26.079)\end{footnotesize} & \begin{footnotesize}\end{footnotesize} & \begin{footnotesize}\end{footnotesize}\\
\noalign{\smallskip}Open requests (not expired) & 23.667 & 25.485 & 22.145 & -3.340 & 0.589\\
 & \begin{footnotesize}(25.831)\end{footnotesize} & \begin{footnotesize}(27.049)\end{footnotesize} & \begin{footnotesize}(24.669)\end{footnotesize} & \begin{footnotesize}\end{footnotesize} & \begin{footnotesize}\end{footnotesize}\\
\noalign{\smallskip}Backlog & 6.638 & 5.599 & 7.508 & 1.909 & 0.307\\
 & \begin{footnotesize}(8.869)\end{footnotesize} & \begin{footnotesize}(7.150)\end{footnotesize} & \begin{footnotesize}(10.005)\end{footnotesize} & \begin{footnotesize}\end{footnotesize} & \begin{footnotesize}\end{footnotesize}\\
\noalign{\smallskip}Total requests & 27.236 & 25.033 & 29.403 & 4.370 & 0.767\\
 & \begin{footnotesize}(81.635)\end{footnotesize} & \begin{footnotesize}(69.742)\end{footnotesize} & \begin{footnotesize}(92.383)\end{footnotesize} & \begin{footnotesize}\end{footnotesize} & \begin{footnotesize}\end{footnotesize}\\
\noalign{\smallskip}\hline\end{tabular}\\
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